80 0 obj <> endobj The large-scale work conducted by the U.S. Air Force on Schippereits design also involved the unsuccessful use of an oxide coating on the interior crucible surface to prevent shorting across the crucible slits. Solid feed rods were either swaged rods of previously melted material or compacted sponge bars. (3) Can be directly sampled and analyzed from the molten metal; Achieve expensive inert gas recovery and reuse, reducing production costs. The NC method as a one-time smelting is quite advantageous from the viewpoint of improving the recovery rate of residues and reducing costs. Surface quality of the ingots produced by this melting technique was directly related to the quality of the starting materials, smoother surfaces being obtained from materials low in volatile impurities. The term inductoslag melting has been applied to this technique to correspond to the term electroslag used to describe the Hopkins process now used extensively for melting specialty steels and superalloys. This sponge contains an appreciably greater quantity of hydrogen and other volatile impurities than vacuum-distilled sponge. Vacuum consumable arc furnace melting method (abbreviated as VAR method) Melting point of Titanium is 1668C. An electric arc furnace (EAF) is a furnace that heats material by means of an electric arc, combined with the action of chemical power provided by the use of oxygen and fuel. We produce quality titanium machined service for aerospace machining,medical machining,automotive,optical parts,oil natural gas,mechanical parts etc. The results reported represent findings obtained during the melting of a minimum number of ingots; therefore, only tentative conclusions can be drawn regarding the effects on metal quality of many of the operating procedures. The starting stub was attached to a water-cooled control rod through the bottom of the furnace, and this rod was used to adjust the level of the ingot in the crucible and to withdraw the ingot as it formed. This is because these metals have great differences in melting point and specific gravity. Cold pot melting method; 5. Samples of the four induction-melted ingots were taken. Sponge added to the crucible by side-feeding did not melt completely. The top sidefeeder could be replaced with a similar shaft through the furnace top if the metal to be melted was in rod form. Electron beams have been successfully applied to the smelting of pure titanium and TC4 alloys. Otherwise you will be prompted again when opening a new browser window or new a tab. Using this method of smelting, for titanium and titanium alloys, an ideal ingot can be obtained in one smelting. Electron beam and plasma cold bed smelting processes have developed rapidly in industrial developed countries such as the United States and Japan. The molten titanium flows from the melting hearth into. Categories Casting Furnace 2. It must be remelted at least twice. In the 1980s, American Ferrosilicon Company developed the slag-free induction melting process and pushed the CCM method to industrial production applications for the production of titanium ingots and precision castings of titanium. When viewed from above, the metal surface protruding from the surface of the slag. The EBCHM method has excellent functions not available in the traditional smelting method: The melting temperature should be low with a view to reduce energy consumption, but one must also achieve high TiO 2 content in the slag for effective and economic titanium extraction. Address: Economic Development Zone, Weicheng district, Weifang City, Shandong Province, China. We need 2 cookies to store this setting. Figure 5 is a photograph of an ingot produced from previously melted, vacuum-distilled sponge. 7). They are quick and efficient nonferrous melters with high frequency induction power. AU $11.93. The furnace was evacuated and then backfilled with helium to approximately one-third of an atmosphere. But this will always prompt you to accept/refuse cookies when revisiting our site. Because of the difficulty of sidefeeding this scrap, the bulk of the metal melted was simply placed in the crucible along with a supply of calcium fluoride slag. Skype ID: +86 152 1709 1354. Melting 9. Tests conducted with and without slag in the 3-- inch-diameter crucible confirmed both the effectiveness of the slag as an insulator and the need for the slag even on runs of this size, Barring unforeseen difficulties, the slag should be equally effective as an insulator between the ingot and the crucible in large-scale runs. The second-generation cold crucible furnace can greatly improve the melting capacity, shorten the melting time, achieve complete suspension melting, and eliminate metal condensation. Cold hearth melting method; 4. In electric induction furnaces, electrical energy provides the heat required to smelt the metal. : + 86 152 1709 1354 endstream endobj startxref The ingots melted by the VAR method have a good crystalline structure and a uniform chemical composition. The scrap used consisted of broken tensile specimens, chopped sheet, sections of ingots, and other forms of solid titanium. The furnace will reach a temperature of 2,000C, which is more than enough because the melting point of steel, stainless steel and titanium is between 1,400 and 1,700C. Often used methods of titanium melting in argon shield do not give satisfactory results due to the residual oxygen content which remains despite repeated "rinsing" of the furnace chamber. As in electroslag melting, the ingot was melted under a cover of molten slag, but melting was accomplished by induction heating. PTJ Shop | Sifangyuan Industrial Park, Xinshapu, Huaide Community, Humen town, Dongguan City, Guangdong Province. Electroslag melting Five methods. As material was added to the pool, the resulting ingot was withdrawn through the bottom of the crucible. This placed the lower end of the feed rod in the hot zone, and metal at the end melted and transferred to the pool of molten metal in the crucible. }T!EhCkW i>{_BAVqfgwgg~LJq MsY,*NpvuOXpPf#mLPh.IJwYrWJ`ekfAqRus0iO(bf/yPONoY$o(JY|5 lzdt4S?<9I?e3;G)AfAmx3jpCi 1. Notable among recent attempts was the work of Schippereit, Leatherman, and Evers of Battelle Memorial Institute. (4) It can produce special-shaped ingots, reduce the production process, reduce the consumption of raw materials, and improve the yield; Electrode preparation can be divided into three major categories. The stirring action in a properly sized induction furnace produces a homogeneous melt without gas pickup, refractory inclusions or alloy loss. Professional manufacturer of medium frequency induction heating & melting equipments. To ensure the chemical composition of multiple alloys; (2) The ingot is axially crystallized and the structure is dense and uniform; Click on the different category headings to find out more. Sponge of relatively uniform particle size usually is tumbled with the powdered alloying elements in an inert atmosphere. Surface Treatment Of Aluminum Titanium Alloy Gusset, Matters Needing Attention In The Processing Of Titanium Bolts. Most of the ingots prepared by induction melting were melted at a furnace pressure of approximately one-third of an atmosphere of helium. This furnace pressure was arbitrarily chosen to correspond with that used during studies of the electroslag melting of titanium. A complete discussion of slag treatment is given by Ausmus and Beall. However, a number of runs were also attempted in the induction furnace at lower furnace pressures. Copyright 2012-2021 911Metallurgist | All Rights Reserved. Fax: +86 (0)769-8288 6112 The raw material can be silver-base alloy, nickel-base alloy, steel alloy, special stainless steel, oxygen-free copper, rare earth Nd-Fe-B, and other metal materials. Design Depending on the conditions at our customer's works, we propose stationary or tilting furnaces. We may request cookies to be set on your device. The melting point of a substance is the temperature at which this phase change occurs. Figure 8 shows an ingot prepared from scrap similar to. Vacuum melting of titanium During the melting process, titanium reacts extremely strongly with the gases in the air. These three furnaces use an under-vacuum melting process by electrical arc. To offer you . Professional production: KGPS series intermediate frequency power supply, IGBT series intermediate frequency power supply, GTR series intermediate frequency induction heating furnace, GW series intermediate frequency induction melting furnace, intermediate frequency induction hardening furnace, intermediate frequency quenching and tempering production line and other equipment. The improvement in the impurity content of ingot 108 and the obvious outgassing of the molten pool during the one run conducted at low pressure with leached-and-dried sponge indicate the need for further study of the effect of furnace pressure on metal quality. AbstractThe melting behavior of titanium-bearing electric furnace slag is a key factor for effective smelting of vanadium titanomagnetite in electric furnaces. Generally, the former is more suitable for smelting pure titanium; for alloys, the latter is more suitable. The heating temperature is 1100-degrees Celsius and heats metal in 40-minute to provide you with the best results. PTJ Shop | Sifangyuan Industrial Park, Xinshapu, Huaide Community, Humen town, Dongguan City, Guangdong Province. That is, the heat energy generated by the slag resistance melts and refines the charge. Induction-melted ingot 108, included in table 2, was prepared from vacuum-distilled sponge at a reduced furnace pressure. (3) Electrode weighing system and melting rate control system with extremely high precision; Copper EB PVD Crucibles / Hearths (Melting Equipment) . Check to enable permanent hiding of message bar and refuse all cookies if you do not opt in. Annealing. in about 22 minutes; 750 lbs. Titanium Metals Corp . The metallurgical inclusion defects of titanium and titanium gold ingots caused by the contamination of raw materials and the abnormal melting process have always affected the application of titanium and titanium platform gold in the aerospace field. And improve the electrical efficiency, thereby obtaining stable quality ingots. Titanium alloy melting technology. HV]o@|7 Sufficient data have not been obtained to determine the optimum ratio of slag to metal. Power supplied to the work coil was limited to approximately 30 kilowatts during the first 2 or 3 minutes until the metal and slag in the crucible melted. Consequently, a fifth ingot, induction melt 111, was prepared from the same sponge lot by induction melting, and this ingot was more thoroughly sampled. One purpose of this work was to develop such a melting scheme and to compare the resulting ingots with ingots prepared by conventional double vacuum-arc melting. Cold hearth melting method; 4. No further attempts were made to operate without slag because of the negative results obtained during this run. First, the electrode preparation method. There are no true titanium casting alloys; titanium castings are produced from wrought alloy formulations. (1953) Kobe Steel succeeded in the manufacture of an ingot with a good, complete surface and exported a sample to the U.S.A. for the first time in 1955. Based on preliminary experiments, a copper crucible with four slits was constructed, and provisions were made to enclose the unit in a vacuum chamber. Sponsored. lead-free Solder Pot Soldering Desoldering Bath Titanium Melting Plate 110V 220V. A complete study has not been made of the effect of furnace pressure on the level of impurities in titanium melted by this technique. Free . The remarkable characteristics of the VAR method are low power consumption, high melting speed and good quality reproducibility. A thin layer of this slag solidified against the cold wall of the crucible. Click "learn more" to see it! Titanium alloy melting furnaces are mainly used by the aviation, defense, and energy industries," said Sawomir Woniak, president of Seco/Warwick Group. Email: [emailprotected] Charge, ITC Power supply; Electron Beam Melting Furnace, Granville-Phillips 307 Vacuum Gage Controllers; Copper has both excellent thermal and electrical conduction, both of which are crucial for the melting operation. Electroslag melting method (referred to as ESR method) The inability of this process to remove hydrogen from sponge with high hydrogen and the residual fluorine content resulting from melting with calcium fluoride slag are considered possible serious problems to this process, but improvements in equipment and procedures should reduce other impurities to an acceptable level. The melting point also defines a condition in which . Loose titanium sponge and scrap can be melted by this induction- melting technique with ease; in fact, it was easier to melt loose materials than solid rods. The starting stub was long enough for this shoulder to be below the segmented portion of the crucible. The starting stub was a 5-inch length of titanium approximately 3--inch OD. The advantages of NC smelting are: the process of pressing electrodes and welding electrodes can be omitted; the arc can stay on the material for a longer time, thereby improving the uniformity of the ingot composition; raw materials of different shapes and sizes can be used, During the smelting process, 100% residue can also be added to achieve the recycling of titanium. Also included in table 2 are analyses of ingots prepared from the same sponge lot by conventional double vacuum-arc melting and by electroslag melting. If you refuse cookies we will remove all set cookies in our domain. Shop for melting furnace titanium from Chinese wholesalers. The Melting Process in a Titanium Foundry The cornerstone of almost any titanium foundry, and the FS Precision VAR process, is a water-cooled copper crucible - or container - used for melting titanium. The solidified slag around the ingot was normally 1/16 inch thick or less. If you refuse cookies we will remove all set cookies in our domain. The lower 5 inches of this ingot was the starting stub, and the upper 4- inches consisted of metal drip-melted from the feed rod plus a 2--inch-diameter machined ingot section 2- inches long. (3) has an accurate electrode weighing system, the smelting rate is automatically controlled, and constant speed smelting is achieved. Non-consumable vacuum arc furnace melting method; 3. An innovative VAR arc furnace for titanium melting. (1) The complete coaxiality of the ESR furnace ensures the repeatability of the best quality ingot; In order to eliminate metallurgical inclusions in the rotating parts of titanium alloy aircraft engines, cold hearth melting technology came into being. Generally, the finished ingot should be made by VAR melting. (1) Effectively remove high-density inclusions (HDI) such as tantalum, molybdenum, tungsten, tungsten carbide and titanium nitride. 102 0 obj <>stream Vacuum consumable arc furnace melting method; 2. At the heart of the process is a special vacuum melting and pouring furnace . Our furnaces are intensively hot ovens that can melt and alter physical state and we specialise in customising furnaces to fit individual requirements. Titanium scrap can also be easily consolidated into a usable form by this technique. EB and VIM Melting Furnaces. Furnace composition Low-voltage operation cabinet Furnace transformer Furnace body and furnace lid Electrode holder and lifting mechanism Short net and water-cooling cables Complete Cooling water systems Complete dust collector III. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) New-type titanium alloys are composed of non-toxic elements, such as Ta and Nb [4]. Click to enable/disable essential site cookies. Operation at reduced furnace pressure should be the best method of lowering the hydrogen content of ingots prepared from leached-and-dried sponge. You are free to opt out any time or opt in for other cookies to get a better experience. Makeup slag was added as the slag cover was depleted by solidification of a slag layer on the outer surface of the ingot. The furnace was also equipped with sidefeeding units for adding both calcium fluoride and titanium sponge. In 2017 PTJ Shop celebrates in great shape ten years of life. it can be used as the vacuum heat treatment furnace,vacuum sintering furnace,vauum melting furnace,vacuum quenching furnace,vacuum annealing furnace,vacuum tempering This electrode, which was approximately 3-3/8 inches in diameter and 24 inches long, was vacuum-arc remelted into the 5-inch-diameter ingot shown in figure 11. 3. We can help you meet your production requirements! You always can block or delete cookies by changing your browser settings and force blocking all cookies on this website. Modern VAR furnaces can melt large ingots with a diameter of 1.5 m and a weight of 32 t. The vAR method is the modern industrial melting method for modern titanium and titanium alloys. Otherwise you will be prompted again when opening a new browser window or new a tab. Alloys of titanium as well as pure titanium can be melted in this furnace. h_k0J$ BaZ7CmjMJO$u Kr{8w'%h8"G!hyz;@d\q ]qG+UVimX C Y8bD^$8VY% [FMT)mdM[3P h|g 3 F#o/Vj-[7H1qi{T%Tfzm; vtPOA{awM jBIDxL Cq#o*N"nd&9X9(C Y They also provided a seal to prevent molten slag from leaking out of the crucible. Skype ID: +86 152 1709 1354. Induction-melted ingots prepared from all the varieties of starting materials discussed previously were suitable for electrode stock for vacuum-arc remelting. Compared with the VAR method, the CCM method has the advantages of low equipment cost and easy operation, but from the current point of view, the technology is still in the development stage. No attempt was made to reduce the size of these shrink holes, although it is believed that hot-topping practices similar to those used for vacuum-arc melting and electroslag melting of titanium could reduce the size of these holes or possibly eliminate them entirely. The melting behavior of synthetically produced CaO-SiO2-MgO-Al2O3-TiO2 slags with different TiO2 contents (48 wt.% to 54 wt.%), CaO/SiO2 mass ratios (0.8 to 1.4), and MgO contents (8 wt.% to 14 wt.%) was experimentally investigated in . copper tubing and was insulated with Teflon tubing. No machining of the outer surface of the ingot was necessary. There was no subsurface porosity such as is characteristic of vacuum-arc-melted ingots. As shown in the figure, melting took place at the top of the ingot. The aluminum content of this ingot was appreciably higher than the corresponding ingot, SA 26,496, prepared from vacuum-distilled sponge. 6.1.4 Turkey Vacuum Induction Melting Furnaces Market Revenues & Volume, By Nickel Titanium Alloys, 2018 - 2028F 6.1.5 Turkey Vacuum Induction Melting Furnaces Market Revenues & Volume, By Cobalt Alloy, 2018 - 2028F Check to enable permanent hiding of message bar and refuse all cookies if you do not opt in. We use cookies to let us know when you visit our websites, how you interact with us, to enrich your user experience, and to customize your relationship with our website. High efficiency 60kw high frequency induction titanium melting furnace, US $ 4200 - 4280 / Set, Zhejiang, China, New, Induction Furnace.Source from Yueqing Kexin Electronic Instrument Co., Ltd. on Alibaba.com. The rate of addition was limited by the rate at which the solid sponge was assimilated by the molten pool. AU $48.19. Most of todays titanium and its alloy ingots are produced using this method. Invention report MIN-1296, dated November 20, 1967, describes this process; the patent application is pending. . 1. A typical electrode produced by welding four induction- melted ingots together is shown in figure 10. The segments of the crucible were bolted to a lower section, 2 inches long with a 3--inch ID. Monolithic electrodes also need to be welded into consumable electrodes. The PCHM method uses a plasma arc generated by inert gas ionization as a heat source, and can be smelted in a wide pressure range from low vacuum to near atmospheric pressure. The biggest advantage of this combination is that the gap between each two blocks is an enhanced magnetic field. The lower section was not segmented but served as a base on which to bolt the crucible segments and to provide an additional length of cooled crucible through which the solidified ingot was withdrawn. Plasma beams are the most effective means of smelting complex titanium alloys. As a proven leader in cost-efficient additive manufacturing (AM) solutions to produce orthopedic implants and aerospace applications, the Electron Beam Melting (EBM) process has the power to unleash a new generation of additive innovation. The primary purpose of the research covered by this report was the development of a method for induction melting titanium in a water-cooled copper crucible. This was done as soon as a full pool of molten metal and slag had formed in the crucible. All of the ingots were relatively sound internally except for shrink holes near the upper surface. The obvious advantage of CHM technology is that it can form a shell on the wall of the cold hearth bed. %PDF-1.6 % (2) The electric calibration in the crucible can be finely adjusted in the X axis / Y axis; Metal refining employing magnetic levitation melting in cold-crucible induction furnaces is widely used in the melting of reactive and pure metals. Our ability to automate these furnaces for loading and unloading will aid in greater . . All our induction melting furnace systems are customized for your application to ensure you get the most efficient system designed for you. It also got a modal window now! The feed rod for this ingot was a 2-inch- diameter swaged rod. The aluminum oxide (Al2O3) thermocouple beads shown in figure 4 were used as a convenient means of maintaining the spacing between the segments of the crucible during assembly. in about 27 minutes; 1,000 lbs. In electric arc furnaces, the charged material is directly exposed to an electric arc, and current from the furnace electrodes passes through the charged material. The fact that this technique makes possible the melting of loose titanium sponge and scrap is encouraging, but it is not known whether gains made by eliminating electrode fabrication would result in lower melting costs. Water-cooled copper electrodes are divided into two types: one is self-rotating; the other is rotating magnetic field, the purpose of which is to prevent the arc from burning the electrode. Melting results for this ingot are summarized in table 1. hbbd``b`:$A&8$X@9DM V:Ub)@H\g`bdd100b%3N ` H Cold hearth melt refines the material, assuring a high-quality product for critical applications in aerospace, medical, and other industries. Two of them use the Skull Melting Technology and the last one is a VAR (Vacuum Arc Remelt). Click to enable/disable Google reCaptcha. The ratio of slag to metal would decrease with increased ingot length since a large percentage of the slag used was tied up in the pool of slag at the top of the ingot, and the dimensions of this pool of slag would not change with ingot length. You can check these in your browser security settings. Due to security reasons we are not able to show or modify cookies from other domains. Ingots prepared by this modified melting technique had slightly higher levels of impurities than ingots prepared by conventional double vacuum-arc melting. Melting results for these two ingots are also summarized in table 1. endstream endobj 84 0 obj <>stream We produce quality titanium machined service for aerospace machining,medical machining,automotive,optical parts,oil natural gas,mechanical parts etc. Dr. Kroll visited our Titanium Laboratory to see our vacuum-type high-frequency melting furnace during testing. 2kg Vacuum Suspension MeltingFurnaceVacuum Inducted TitaniumMeltingFurnaceInduction Smelting FurnacePrice FOB Price: US$ 19999-59999/ Piece Min. Manufacturer/Factory,Trading Company,Group Corporation; ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000, OHSAS/ OHSMS 18001, IATF16949, ISO 14064, QC 080000 At present, the smelting of the cold bed furnace has reached a commercial level, which can melt ingots weighing up to 25 tons. 36mm Tin Melting Solder Pot Stainless Steel Furnace Titanium Plating. Browse industrial furnace at Alibaba.com and discover great prices and after-sales services. The information contained in this website is for general information purposes only. The disadvantage of the PCHM method is its low electrical efficiency. titanium melting furnace for sale - 82 - titanium melting furnace wholesalers & titanium melting furnace manufacturers from China manufacturers. It also got a modal window now! Like the VAR method, the above two methods electrically achieve a wide range of process automation control, including process parameters (smelting speed, temperature distribution during melting and solidification, changes in composition during melting, removal of insoluble inclusions, etc.) The process uses a water-cooled copper crucible, thus eliminating . A partial backfill, which had been chosen for electroslag melting to reduce losses of calcium fluoride, was for the same reason chosen for induction melting. 1.Advantage of Steel Shell Melting Furnace: 1. Titanium alloy smelting methods are generally divided into: 1. Age hardening. The purification mechanism of cold hearth smelting can be divided into two types: specific gravity separation and melting separation. The question arises as to whether the slag, once molten, was heated by induced current flow in the slag itself. Founded in 2007 by Zhouhanpin, an internationally renowned expert in the production and processing of titanium(Milling Titanium&Turning Tianium) and David Pan, an experienced salesman, PTJ Titanium Machining Shop immediately became a real reference point for the employment of this material, making the way for titanium utilization increase both in Europe and all over the world. melt enclosure Prior art date 1954-11-23 Legal status (The legal status is an assumption and is not a legal conclusion. 3.1 Electron beam cold hearth smelting method (abbreviated as EBCHM method) Electron beam smelting (abbreviated as EB) is a process that uses the energy of high-speed electrons to make the material itself generate heat for smelting and refining. The slits in the crucible were pitted at the level of most intense heating, and metal which had been melted had run into the slits in the crucible. We provide you with a list of stored cookies on your computer in our domain so you can check what we stored. We provide you with a list of stored cookies on your computer in our domain so you can check what we stored. We fully respect if you want to refuse cookies but to avoid asking you again and again kindly allow us to store a cookie for that. 3.2 Plasma cold-bed melting method (PCHM method) Titanium alloy melting furnace Titanium alloy, The 18th China International Industrial Furnace and Thermal Technology Exhibition in 2020. The ingots will be reused by Panatre or sold to other companies. Catalog download Home Products Industry Foundry Tilting Furnaces Electrically Heated or Gas-Fired It does not require refractory materials and does not require electrodes to obtain a high-quality ingot with a uniform smelting composition and no crucible pollution. In this way, the ingot melted in the upper part of the crucible and was cooled and solidified in the lower part. This melting process provides a relatively economical means of melting in vacuum and in water-cooled copper crucibles, but has the disadvantages of requiring the fabrication of a consumable electrode and of lack of control of the melting rate. You can read about our cookies and privacy settings in detail on our Privacy Policy Page. Forging preheat Furnaces. Titanium Melting Furnace - China Manufacturers, Suppliers, Factory we could supply good quality goods, aggressive cost and very best purchaser assistance. The best surfaces were obtained from previously melted material, either in the form of swaged rods (fig. To produce titanium ingots by the VAR method, the processes used by manufacturers around the world are basically similar, the difference is that different electrode preparation methods and equipment are used. Attempts have been made to melt at low furnace pressure with only moderate success, and most melting was done at one-third of an atmosphere of helium. It was concluded that arcing to the crucible walls occurred with the 14-inch-diameter crucible but not with the small-scale crucible (2--inch-diameter) because of the difference in frequencies used. During melting, the molten pool was distorted into the shape shown in figure 3. Solidification occurs when smelting is too late for equilibrium distribution; the latter is due to the occasional introduction of high-density inclusions (HDI) and low-density inclusions (LDI) in the raw material or process, which cannot be completely dissolved during the smelting process Causes metallurgical defects such as extremely harmful inclusions. On the other hand, it comes with a smart digital control system making it easy and safe to use. The initial charge of metal was a 2-- to 2--inch-diameter cylinder approximately 3 inches long. "The device that our EcoTitanium partner has been equipped with consists of three metallurgical units: a plasma furnace (PAM) for melting plasma or plasma gas inert gas, and two VAR arc furnaces for titanium melting," says Earl Good. This levitation of the metal probably also aided in preventing metal from shorting across the slits in the crucible. Numerous attempts have been made to utilize induction melting for melting reactive metals. TOAUTO 3KG Gold Melting Furnace - Best Electric-Powered Furnace; 3. Demonstration is needed of modif . The furnace purchased for the UPC Precision Castings foundry makes it possible to obtain both superalloys and high-quality titanium castings. Melting times can and should be exceedingly fast. ITC induction melting furnaces are designed for maximum electrical efficiency using heavy walled, high electrically conductive copper tubing. We may request cookies to be set on your device. The ingot shown in figure 12 was prepared by vacuum-arc remelting the induction-melted ingots 103 through 106. Weichat No. To do this, the device . The vacuum levitation smelting furnace uses high-frequency or intermediate-frequency alternating magnetic fields to form electromagnetic force that offsets gravity during metal smelting, so that the melt is suspended, and the pollution caused by the contact between the charge and the crucible wall is effectively prevented. One run was conducted during the course of this research with no slag cover in the crucible. The information is provided by [Machining Tianium] and while we endeavour to keep the information up to date and correct, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the website or the information, products, services, or related graphics contained on the website for any purpose. 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